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Prepare boiler — placement & setup, Inspect orifices and burners, Orifice replacement procedure – Weil-McLain GOLD CGS 550-110-260/02002 User Manual

Page 12

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Part number 550-110-260/0200

12

GOLD

CGs

Gas-Fired Water Boiler

Place boiler/crate near position

1. Leave boiler in crate and on pallet until installation

site is ready.

2. Move entire crate and pallet next to selected

location.

3. Remove crate.

4. Remove boiler from pallet.

Do not drop boiler or bump jacket
on floor or pallet. Damage to boiler
can result.

a. Tilt left side of boiler up and place a board

under left legs.

b. Tilt boiler the other way and place a board

under right legs.

c. Slide boiler backward off pallet and into

position.

5. Check level.

a. Shim legs, if necessary.

b. Do not alter legs.

Prepare boiler —

placement & setup

2a

Table 2

Manifold orifice sizing

Inspect orifices and burners

1. Remove front jacket door. Remove inlet air box

top panel (see

Figure 27

, item

13

, page 54).

2. Check for correctly-sized manifold orifices. See

Table 2

for sizing. (The orifice size is stamped on

the orifice spud barrel.)

Correctly-sized manifold orifices
must be used. Failure to do so will
result in severe personal injury,

Orifice replacement procedure

(when required)

1. Remove the screws securing the inlet air box top

panel.

2. Remove inlet air box top panel and inspect the fiber

gasket. Verify the gasket is in good condition and
can seal around the complete perimeter of the air
box. Replace the gasket if necessary.

3. Using a

7

/

16

" open-end wrench, remove the burner

orifices from the manifold.

4. Apply a small amount of pipe dope to each of the

new orifices and install in the manifold using a

7

/

16

"

open-end wrench. Make sure the orifices are aligned
correctly, not cross-threaded in the manifold
tappings.

Use only pipe dope compatible with
propane gas, even if boiler is to be
operated on natural gas. Failure to
comply could result in severe
personal injury, death or substantial
property damage.

5. Carefully replace the inlet air box top panel, making

sure the gasket is in place will seal all around the
perimeter.

6. Follow the check-out procedure, section

8

page 30,

to assure the boiler is now operating properly after
orifices are replaced.

Location

Natural gas

Propane gas

U. S.

0-2,000 ft

over 2,000 ft

0-2,000 ft

over 2,000 ft

2.70 mm

(Note 1)

1.65 mm

(Note 1)

Canada

0-2,000 ft

2,000-4,500

0-2,000 ft

2,000-4,500

2.70 mm

#38

1.65 mm

#53

Note 1:

For elevations above 2,000 feet, contact your local Weil-McLain sales office for details.

death or substantial property
damage.

3. Reinstall inlet air box top panel.

Inlet air box top panel must be in
position during boiler operation.
Failure to do so could result in
severe personal injury, death or
substantial property damage.